Alert archive / Tennessee / Hardin County
Weather alerts in Hardin County, Tennessee, 2008
143 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hardin County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 143
- Warnings
- 40
- Watches
- 20
- Advisories
- 46
- Busiest month
- May28 alerts
- Busiest day
- January 10, 20088 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 7 tornado warnings covering Hardin County in 2008 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 15 minutes after it went out.
Hardin County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 7 | 2 | 71% | 1 | 100% | 15 min |
| Severe thunderstorm warnings | 9 | 2 | 78% | 0 | ||
| Flash flood warnings | 14 | 4 | 71% | 4 | 100% | 68 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 147 | 50 | 66% | 97 | 97% | 22 min |
| NWS Memphis, TN: severe thunderstorm warnings | 419 | 196 | 53% | 381 | 69% | 20 min |
| NWS Memphis, TN: flash flood warnings | 155 | 76 | 51% | 124 | 83% | 93 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 4:23 AM CST | Wind Advisory | MEG | 14 hr |
| Jan 7, 9:18 PM CST | Wind Advisory | MEG | 25 hr |
| Jan 8, 1:11 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 8, 1:26 PM CST | Tornado Watch | SPC | 8 hr |
| Jan 8, 4:03 PM CST | Mesoscale Discussion | SPC | 117 min |
| Jan 10, 7:17 AM CST | Mesoscale Discussion | SPC | 118 min |
| Jan 10, 7:46 AM CST | Tornado Watch | SPC | 8 hr |
| Jan 10, 9:23 AM CST | Mesoscale Discussion | SPC | 67 min |
| Jan 10, 12:22 PM CST | Tornado Warning | MEG | 38 min |
| Jan 10, 12:59 PM CST | Tornado Warning | MEG | 31 min |
| Jan 10, 1:01 PM CST | Severe Thunderstorm Warning | MEG | 29 min |
| Jan 10, 1:08 PM CST | Flash Flood Warning | MEG | 2 hr |
| Jan 10, 1:42 PM CST | Mesoscale Discussion | SPC | 93 min |
| Jan 16, 5:51 PM CST | Snow Advisory | MEG | 10 hr |
| Jan 21, 3:01 PM CST | Winter Weather Advisory | MEG | 13 hr |
| Jan 25, 10:48 AM CST | Winter Weather Advisory | MEG | 11 hr |
| Jan 26, 1:31 AM CST | Freezing Rain Advisory | MEG | 8 hr |
| Jan 26, 11:32 PM CST | Freezing Fog Advisory | MEG | 10 hr |
| Jan 28, 3:04 PM CST | Wind Advisory | MEG | 26 hr |
| Jan 29, 3:14 PM CST | High Wind Warning | MEG | 5 hr |
| Jan 29, 7:56 PM CST | Wind Advisory | MEG | 3 hr |
| Jan 30, 4:07 PM CST | Winter Weather Advisory | MEG | 32 hr |
| Feb 4, 2:53 PM CST | Wind Advisory | MEG | 33 hr |
| Feb 5, 3:09 PM CST | Tornado Watch | SPC | 9 hr |
| Feb 5, 5:15 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 5, 6:55 PM CST | Tornado Warning | MEG | 35 min |
| Feb 5, 7:25 PM CST | Tornado Warning | MEG | 35 min |
| Feb 5, 7:58 PM CST | Tornado Warning | MEG | 17 min |
| Feb 5, 8:30 PM CST | Flash Flood Warning | MEG | 60 min |
| Feb 5, 9:39 PM CST | Mesoscale Discussion | SPC | 96 min |
| Feb 5, 10:01 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 5, 10:49 PM CST | Tornado Warning | MEG | 41 min |
| Feb 5, 10:57 PM CST | Severe Thunderstorm Warning | MEG | 48 min |
| Feb 12, 1:28 PM CST | Winter Weather Advisory | MEG | 8 hr |
| Feb 12, 7:09 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 1:37 PM CST | Wind Advisory | MEG | 28 hr |
| Feb 20, 3:24 PM CST | Freezing Rain Advisory | MEG | 21 hr |
| Feb 22, 10:37 PM CST | Winter Weather Advisory | MEG | 5 hr |
| Feb 26, 3:30 AM CST | Wind Advisory | MEG | 15 hr |
| Feb 29, 9:22 PM CST | Dense Fog Advisory | MEG | 10 hr |
| Mar 3, 4:17 AM CST | Wind Advisory | MEG | 14 hr |
| Mar 6, 4:36 AM CST | Winter Storm Warning | MEG | 49 hr |
| Mar 14, 1:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 14, 11:55 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 15, 4:30 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 15, 10:23 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Mar 18, 4:44 AM CDT | Wind Advisory | MEG | 26 hr |
| Mar 18, 10:51 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 19, 7:08 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 25, 7:18 AM CDT | Red Flag Warning | OHX | 14 hr |
| Mar 25, 2:09 PM CDT | Red Flag Warning | OHX | 7 hr |
| Mar 27, 8:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 1:28 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 2:46 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 4, 5:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 4, 10:17 AM CDT | Flash Flood Warning | MEG | 6 hr |
| Apr 4, 10:46 AM CDT | River Flood Advisory | OHX | 24 days |
| Apr 9, 4:59 AM CDT | Flash Flood Watch | MEG | 49 hr |
| Apr 10, 4:49 AM CDT | Wind Advisory | MEG | 17 hr |
| Apr 10, 8:22 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 10, 9:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 10, 11:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 11, 2:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 10:15 AM CDT | Tornado Watch | SPC | 5 hr |
| Apr 13, 3:44 AM CDT | Freeze Watch | MEG | 23 hr |
| Apr 14, 3:13 AM CDT | Freeze Warning | MEG | 30 hr |
| Apr 18, 5:08 PM CDT | Mesoscale Discussion | SPC | 37 min |
| Apr 28, 3:43 PM CDT | Frost Advisory | MEG | 16 hr |
| May 1, 7:40 AM CDT | Red Flag Warning | OHX | 11 hr |
| May 2, 1:54 PM CDT | Tornado Watch | SPC | 6 hr |
| May 2, 3:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 2, 6:37 PM CDT | Flash Flood Warning | MEG | 83 min |
| May 2, 7:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 2, 7:35 PM CDT | Tornado Warning | MEG | 25 min |
| May 2, 7:42 PM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| May 2, 8:03 PM CDT | Flash Flood Warning | MEG | 4 hr |
| May 2, 11:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 3, 2:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| May 9, 3:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 6:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 10, 4:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 10, 4:27 PM CDT | Tornado Watch | SPC | 10 hr |
| May 10, 8:45 PM CDT | Severe Thunderstorm Warning | MEG | 45 min |
| May 10, 8:54 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| May 10, 9:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 10, 9:25 PM CDT | Flash Flood Warning | MEG | 4 hr |
| May 10, 9:36 PM CDT | Severe Thunderstorm Warning | MEG | 54 min |
| May 10, 10:19 PM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| May 11, 3:08 AM CDT | Wind Advisory | MEG | 12 hr |
| May 26, 12:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 26, 12:44 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| May 26, 3:08 PM CDT | Flash Flood Warning | MEG | 3 hr |
| May 27, 7:47 AM CDT | Flash Flood Warning | MEG | 3 hr |
| May 27, 10:44 AM CDT | Flash Flood Warning | MEG | 2 hr |
| May 27, 12:22 PM CDT | Flash Flood Warning | MEG | 113 min |
| May 27, 11:52 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 1, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 1, 3:20 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 2, 2:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 2, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 12, 1:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 14, 12:04 AM CDT | Areal Flood Advisory | MEG | 116 min |
| Jun 14, 12:21 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jun 15, 3:18 AM CDT | Dense Fog Advisory | MEG | 6 hr |
| Jul 4, 12:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 3:57 AM CDT | Dense Fog Advisory | MEG | 4 hr |
| Jul 5, 7:58 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Jul 5, 9:13 PM CDT | Dense Fog Advisory | MEG | 10 hr |
| Jul 9, 2:36 PM CDT | Flash Flood Warning | MEG | 44 min |
| Jul 20, 3:27 PM CDT | Heat Advisory | MEG | 48 hr |
| Jul 22, 11:55 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 26, 2:51 AM CDT | Areal Flood Advisory | MEG | 3 hr |
| Jul 26, 3:50 AM CDT | Heat Advisory | MEG | 4 days |
| Aug 1, 12:28 PM CDT | Heat Advisory | MEG | 64 hr |
| Aug 2, 10:15 AM CDT | Excessive Heat Warning | MEG | 10 hr |
| Aug 3, 3:46 PM CDT | Heat Advisory | MEG | 13 hr |
| Aug 4, 3:25 PM CDT | Heat Advisory | MEG | 29 hr |
| Aug 15, 4:27 PM CDT | Areal Flood Advisory | MEG | 2 hr |
| Aug 21, 9:03 AM CDT | Areal Flood Advisory | MEG | 3 hr |
| Sep 4, 12:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 13, 6:54 AM CDT | Wind Advisory | MEG | 32 hr |
| Sep 14, 1:57 AM CDT | Tornado Watch | SPC | 8 hr |
| Sep 14, 9:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 19, 3:34 PM CDT | Frost Advisory | MEG | 17 hr |
| Oct 26, 3:52 AM CDT | Freeze Watch | MEG | 35 hr |
| Oct 27, 3:57 AM CDT | Freeze Watch | MEG | 24 hr |
| Oct 27, 3:57 AM CDT | Freeze Warning | MEG | 29 hr |
| Oct 28, 3:30 AM CDT | Freeze Warning | MEG | 30 hr |
| Oct 29, 2:49 PM CDT | Freeze Warning | MEG | 18 hr |
| Nov 13, 9:52 PM CST | Dense Fog Advisory | MEG | 8 hr |
| Dec 8, 2:47 PM CST | Wind Advisory | MEG | 27 hr |
| Dec 9, 9:22 PM CST | Flash Flood Watch | MEG | 7 hr |
| Dec 11, 6:48 AM CST | Wind Advisory | MEG | 10 hr |
| Dec 15, 12:00 PM CST | Freezing Rain Advisory | MEG | 24 hr |
| Dec 15, 6:13 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 16, 5:23 PM CST | Dense Fog Advisory | MEG | 12 hr |
| Dec 17, 9:27 PM CST | Dense Fog Advisory | MEG | 12 hr |
| Dec 18, 4:18 PM CST | Dense Fog Advisory | MEG | 12 hr |
| Dec 23, 4:11 AM CST | Winter Weather Advisory | MEG | 10 hr |
| Dec 23, 6:02 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 27, 2:54 AM CST | Wind Advisory | MEG | 17 hr |
| Dec 27, 5:47 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Dec 27, 7:58 PM CST | Mesoscale Discussion | SPC | 92 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 9 |
| Tornado Warning | 7 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 37 |
| Flooding | |
| Flash Flood Warning | 14 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 4 |
| River Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Freezing Rain Advisory | 3 |
| Snow Advisory | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 3 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 15 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.